d1d46335df
Signed-off-by: anjiahao <anjiahao@xiaomi.com> Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/****************************************************************************
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* fs/hostfs/hostfs.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __FS_HOSTFS_HOSTFS_H
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#define __FS_HOSTFS_HOSTFS_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define HOSTFS_MAX_PATH 256
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* This structure describes the state of one open file. This structure
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* is protected by the volume semaphore.
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*/
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struct hostfs_ofile_s
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{
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struct hostfs_ofile_s *fnext; /* Supports a singly linked list */
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int16_t crefs; /* Reference count */
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mode_t oflags; /* Open mode */
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int fd;
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};
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/* This structure represents the overall mountpoint state. An instance of
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* this structure is retained as inode private data on each mountpoint that
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* is mounted with a hostfs filesystem.
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*/
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struct hostfs_mountpt_s
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{
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FAR struct hostfs_ofile_s *fs_head; /* A singly-linked list of open files */
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char fs_root[HOSTFS_MAX_PATH];
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};
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/****************************************************************************
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* Internal function prototypes
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****************************************************************************/
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/* Forward references for utility functions */
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struct hostfs_mountpt_s;
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struct file; /* Forward references */
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struct inode;
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struct fs_dirent_s;
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struct statfs;
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struct stat;
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#endif /* __FS_HOSTFS_HOSTFS_H */
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